Moderate Extreme Weather ● Closed
ADVISORY: LARGE WAVES — areas along the entire coast of Indian ocean (Tanga, Dar es salaam, Pwani (including Mafia isles) regions together with Unguja and Pemba isles)., United Republic of Tanzania
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ADVISORY of large waves reaching 2m is issued for some areas along the nothern coast of Indian ocean (Tanga, Dar es salaam, Pwani (including Mafia isles) regions together with Unguja and Pemba isles).
Likelihood: MEDIUM
Impact: MEDIUM
Impact expected:
Disruption of some economic and marine
activities.
Be prepared.
Measurements
| Coordinates | -6.2619, 39.5068 |
|---|---|
| Region | areas along the entire coast of Indian ocean (Tanga, Dar es salaam, Pwani (including Mafia isles) regions together with Unguja and Pemba isles). |
| Location Precision | polygon |
| Issuing Authority | United Republic of Tanzania — tz-tma-en |
| Cap Urgency | Expected |
| Cap Certainty | Likely |
| Cap Expires | 2026-09-22T20:59:00+03:00 |
Official source
Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.
This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.
Severity as published by WMO Alert Hub (national weather services).
View original reportThis event as JSON · API and licence
Source updated 31 days ago (Sep 18, 2026 14:17 UTC) · we last heard from WMO Alert Hub (national weather services) 20 seconds ago
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Official authorities in Tanzania
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
More for Tanzania →What to do
Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.
When thunder roars, go indoors — lightning risk outdoors, in vehicles, and first aid for strike victims.
Open Lightning Safety Guide →Nearby & related events
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